Social Networks and Social Information Sharing Using Fuzzy Methods / Ronald R. Yager -- Using Analytical Methods in Business Continuity Planning / Holmes E. Miller and Kurt J. Engemann -- Using Neural Networks to Model Sovereign Credit Ratings: Application to the European Union / Raúl León-Soriano and María Jesús Muñoz-Torres -- Measuring Errors with the OWA Operator / José M. Merigó -- Solvency Capital Estimation and Risk Measures / Antoni Ferri, Montserrat Guillén and Lluís Bermúdez -- Decision Making of Customer Loyalty Programs to Maintain Consumer Constancy / Aras Keropyan and Anna M. Gil-Lafuente -- User and Usage Constraints in Information Systems Development -- Application to University: A Case Study of Lagos State University, Lagos, Nigeria / Moses A. Akanbi and Amos A. David -- Online Business Registration and Congolese Entrepreneurs in Cape Town / Alain M. Momo and Wilfred I. Ukpere -- The Algorithm of Optimal Polynomial Extrapolation of Random Processes / Igor P. Atamanyuk, Volodymyr Y. Kondratenko, Oleksiy V. Kozlov and Yuriy P. Kondratenko. An Analytic Framework for Assessing Automobile Sales Loss from Recalls: A Toyota Case Study / Heechang Shin, Robert Richardson and Oredola Soluade -- A Method for Uncertain Sales Forecast by Using Triangular Fuzzy Numbers / Salvador Linares-Mustarós, José M. Merigó and Joan Carles Ferrer-Comalat -- A Metaheuristic Approach for Supply Chain Network Design Problems / Uday Venkatadri, Soumen Bose and Amir Azaron -- Random Forests for Uplift Modeling: An Insurance Customer Retention Case / Leo Guelman, Montserrat Guillén and Ana M. Pérez-Marín -- Age Diversity in the Boardroom: Measures and Implications / Idoya Ferrero-Ferrero, María Ángeles Fernández-Izquierdo and María Jesús Muñoz-Torres -- Hierarchical Structure of Variables in Export Agribusiness: The Case of Michoacan / Joel Bonales Valencia and Odette Virginia Delfín Ortega -- Division of Labour and Outsourcing: Mutually Exclusive Concepts? / Wilfred I. Ukpere and Mohammed S. Bayat -- OWA Operators in the Assignment Process: The Case of the Hungarian Algorithm / Emili Vizuete Luciano, José M. Merigó, Anna M. Gil-Lafuente and Sefa Boria Reverté -- Mathematic Modeling of Reactor's Temperature Mode of Multiloop Pyrolysis Plant / Yuriy P. Kondratenko and Oleksiy V. Kozlov. Step Size Bounds for a Class of Multiderivative Explicit Runge-Kutta Methods / Moses A. Akanbi, Solomon A. Okunuga and Adetokunbo B. Sofoluwe -- Tapping the Potential of Virtual World-Based Simulations in Higher Education / Donald R. Moscato and Shoshana Altschuller -- Evaluating the Impact of Virtual Reality on Liver Surgical Planning Procedures / Nashaat El-Khameesy and Heba El-Wishy -- A Model to Determine the Effect of International Business Competences / Daniel Palacios-Marqués -- Ant Colony Optimization for Solving the Vehicle Routing Problem with Delivery Preferences / Herminia I. Calvete, Carmen Galé and María-José Oliveros -- Metaheuristic for the Multiple Level Warehouse Layout Problem / Caline El Khoury and Jean-Paul Arnaout -- Study of the Reaction of Dissolution of Sphalerite Using the Model of Pitzer-Variation in the Activity Coefficient of Zinc Sulfate / Abdelhakim Begar, Mohamed-El-Amine Djeghlal and Abdelhafidh Saada -- Application of Geometric Explicit Runge-Kutta Methods to Pharmacokinetic Models / Moses A. Akanbi and Kailash C. Patidar -- Frequency Tuning Algorithm for Loudspeaker Driven Thermoacoustic Refrigerator Optimization / Yuriy P. Kondratenko, Oleksiy Korobko and Oleksiy V. Kozlov.